<!DOCTYPE HTML>
<html lang="en-US">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<script type="text/javascript">
    var QW={};
    QW.Browser = (function() {
        var na = window.navigator,
                ua = na.userAgent.toLowerCase(),
                browserTester = /(msie|webkit|gecko|presto|opera|safari|firefox|chrome|maxthon|android|ipad|iphone|webos|hpwos)[ \/os]*([\d_.]+)/ig,
                Browser = {
                    platform: na.platform
                };
        ua.replace(browserTester, function(a, b, c) {
            var bLower = b.toLowerCase();
            if (!Browser[bLower]) {
                Browser[bLower] = c;
            }
        });
        if (Browser.opera) { //Opera9.8后版本号位置变化
            ua.replace(/opera.*version\/([\d.]+)/, function(a, b) {
                Browser.opera = b;
            });
        }
        if (Browser.msie) {
            Browser.ie = Browser.msie;
            var v = parseInt(Browser.msie, 10);
            Browser['ie' + v] = true;
        }
        return Browser;
    }());

</script>
</body>
</html>